.lt-content {
  flex: 1;
}
.lt-content .s-1 {
  height: 45px;
  margin: 10px;
}
.lt-content .s-1 .s1-txt {
  float: left;
  width: 92%;
  height: 80%;
  border: 1px solid blue;
  border-radius: 5px 0 0 5px;
  margin: 0;
  font-size: 14px;
}
.lt-content .s-1 .s1-btn {
  float: left;
  width: 8%;
  height: 80%;
  border: 1px solid blue;
  border-radius: 0 5px 5px 0;
  border-left: none;
}
.lt-content .s-2 {
  padding: 10px;
  font-size: 14px;
}
.lt-content .s-2 .top {
  width: 100%;
  height: 20px;
}
.lt-content .s-2 .top .history {
  float: left;
}
.lt-content .s-2 .top .clear {
  float: right;
}
.lt-content .s-2 .top .clear i {
  font-size: 18px;
}
.lt-content .s-2 ul {
  padding: 0;
  border: 1px dashed red;
}
.lt-content .s-2 ul li {
  height: 30px;
  padding: 0 10px;
  line-height: 30px;
  border-top: 1px dashed red;
}
.lt-content .s-2 ul li:first-child {
  border-top: none;
}
